试图在windows上安装hadoop2.7.1，这是一场噩梦，但最终到了发行版无法构建的部分。似乎无法理解为什么它不会复制文件，堆栈跟踪如下：（也是权限错误吗？）

main:
Property "@" has not been set
Property "@" has not been set
     [exec] Current OS is Windows 7
     [exec] Executing 'sh' with arguments:
     [exec] './dist-layout-stitching.sh'
     [exec]
     [exec] The ' characters around the executable and arguments are
     [exec] not part of the command.
Execute:Java13CommandLauncher: Executing 'sh' with arguments:
'./dist-layout-stitching.sh'

The ' characters around the executable and arguments are
not part of the command.
     [exec]
     [exec] Current directory /cygdrive/d/Hadoop/hadoop-2.7.1-src/hadoop-dist/target
     [exec]
     [exec] $ rm -rf hadoop-2.7.1
     [exec] $ mkdir hadoop-2.7.1
     [exec] $ cd hadoop-2.7.1
     [exec] $ cp /cygdrive/d/Hadoop/hadoop-2.7.1-src/LICENSE.txt .
     [exec] $ cp /cygdrive/d/Hadoop/hadoop-2.7.1-src/NOTICE.txt .
     [exec] $ cp /cygdrive/d/Hadoop/hadoop-2.7.1-src/README.txt .
     [exec] $ cp -r /cygdrive/d/Hadoop/hadoop-2.7.1-src/hadoop-common-project/hadoop-common/target/hadoop-common-2.7.1/bin /cygdrive/d/Hadoop/hadoop-2.7.1-src/hadoop-common-project/hadoop-common/target/hadoop-common-2.7.1/etc /cygdrive/d/Hadoop/hadoop-2.7.1-src/hadoop-common-project/hadoop-common/target/hadoop-common-2.7.1/libexec /cygdrive/d/Hadoop/hadoop-2.7.1-src/hadoop-common-project/hadoop-common/target/hadoop-common-2.7.1/sbin /cygdrive/d/Hadoop/hadoop-2.7.1-src/hadoop-common-project/hadoop-common/target/hadoop-common-2.7.1/share .
     [exec] $ cp -r /cygdrive/d/Hadoop/hadoop-2.7.1-src/hadoop-common-project/hadoop-nfs/target/hadoop-nfs-2.7.1/share .
     [exec] $ cp -r /cygdrive/d/Hadoop/hadoop-2.7.1-src/hadoop-hdfs-project/hadoop-hdfs/target/hadoop-hdfs-2.7.1/* .
     [exec]
     [exec] Failed!
     [exec]
     [exec] cp: cannot stat ‘/cygdrive/d/Hadoop/hadoop-2.7.1-src/hadoop-hdfs-project/hadoop-hdfs/target/hadoop-hdfs-2.7.1/*’: No such file or directory
[INFO] ------------------------------------------------------------------------
[INFO] BUILD FAILURE
[INFO] ------------------------------------------------------------------------
[INFO] Total time: 9.247 s
[INFO] Finished at: 2015-08-09T12:39:00+00:00
[INFO] Final Memory: 35M/212M
[INFO] ------------------------------------------------------------------------
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-antrun-plugin:1.7:run (dist) on project hadoop-dist: An Ant BuildException has occured: exec returned: 1
[ERROR] around Ant part ...<exec dir="D:\Hadoop\hadoop-2.7.1-src\hadoop-dist\target" executable="sh" failonerror="true">... @ 38:96 in D:\Hadoop\hadoop-2.7.1-src\hadoop-dist\target\antrun\build-main.xml
[ERROR] -> [Help 1]
org.apache.maven.lifecycle.LifecycleExecutionException: Failed to execute goal org.apache.maven.plugins:maven-antrun-plugin:1.7:run (dist) on project hadoop-dist: An Ant BuildException has occured: exec returned: 1
around Ant part ...<exec dir="D:\Hadoop\hadoop-2.7.1-src\hadoop-dist\target" executable="sh" failonerror="true">... @ 38:96 in D:\Hadoop\hadoop-2.7.1-src\hadoop-dist\target\antrun\build-main.xml
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:216)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:153)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:145)
        at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:108)
        at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:76)
        at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:51)
        at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:116)
        at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:361)
        at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:155)
        at org.apache.maven.cli.MavenCli.execute(MavenCli.java:584)
        at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:213)
        at org.apache.maven.cli.MavenCli.main(MavenCli.java:157)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:601)
        at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:289)
        at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:229)
        at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:415)
        at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:356)
Caused by: org.apache.maven.plugin.MojoExecutionException: An Ant BuildException has occured: exec returned: 1
around Ant part ...<exec dir="D:\Hadoop\hadoop-2.7.1-src\hadoop-dist\target" executable="sh" failonerror="true">... @ 38:96 in D:\Hadoop\hadoop-2.7.1-src\hadoop-dist\target\antrun\build-main.xml
        at org.apache.maven.plugin.antrun.AntRunMojo.execute(AntRunMojo.java:355)
        at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:133)
        at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:208)
        ... 19 more
Caused by: D:\Hadoop\hadoop-2.7.1-src\hadoop-dist\target\antrun\build-main.xml:38: exec returned: 1
        at org.apache.tools.ant.taskdefs.ExecTask.runExecute(ExecTask.java:646)
        at org.apache.tools.ant.taskdefs.ExecTask.runExec(ExecTask.java:672)
        at org.apache.tools.ant.taskdefs.ExecTask.execute(ExecTask.java:498)
        at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:291)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
        at java.lang.reflect.Method.invoke(Method.java:601)
        at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.java:106)
        at org.apache.tools.ant.Task.perform(Task.java:348)
        at org.apache.tools.ant.Target.execute(Target.java:390)
        at org.apache.tools.ant.Target.performTasks(Target.java:411)
        at org.apache.tools.ant.Project.executeSortedTargets(Project.java:1399)
        at org.apache.tools.ant.Project.executeTarget(Project.java:1368)
        at org.apache.maven.plugin.antrun.AntRunMojo.execute(AntRunMojo.java:327)
        ... 21 more
[ERROR]
[ERROR]
[ERROR] For more information about the errors and possible solutions, please read the following articles:
[ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoExecutionException